Thank you very much...just done what you said and our guide and channels are all back!
Mrs Crompton, November 2013
TV Top Up no longer exists so you need to go back to 8 day listings. Go to set up on menu, then box settings and change 14 day to 8day and that should do it. I had the same problem and it fixed most of the listings immediately and the gaps filled up over the next few hours.